| 摘要 |
A voice conferencing system provides redundant audio signal mixer modules to prevent loss of audio signals during a teleconference. The audio signal mixer modules may process audio signal data concurrently. In some embodiments, one of the audio signal mixer modules may playback streaming audio data while other audio signal mixer modules are muted. Upon malfunction of the audio signal mixer module designated for playback, another audio signal mixer module may be unmuted so that transmission of audio data during the teleconference occurs seamlessly.
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